{"id":"CVE-2026-55971","summary":"Apache Thrift: C++ ZLIB heap buffer overflow (write) in THeaderTransport::untransform()","details":"Heap-based Buffer Overflow vulnerability in Apache Thrift C++ bindings.\n\nThis issue affects Apache Thrift: before 0.24.0.\n\nUsers are recommended to upgrade to version 0.24.0, which fixes the issue.","aliases":["BIT-thrift-2026-55971"],"modified":"2026-08-12T03:30:51.381330628Z","published":"2026-07-27T11:11:23.201Z","related":["openSUSE-SU-2026:11432-1"],"database_specific":{"cna_assigner":"apache","cwe_ids":["CWE-122"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55971.json","unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"fixed":"0.24.0"}]},{"extracted_events":[{"fixed":"0.24.0"}],"source":"DESCRIPTION"}]},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/07/24/42"},{"type":"WEB","url":"https://conan.io/center"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55971.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/7v3jhgwfbmhx42424phydlnzb109g8b9"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/xjs36m6kjxpmrmzwck636msg3nvoqnmx"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55971"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/thrift","events":[{"introduced":"0"},{"fixed":"6d2ec95f450b4ce404afb8929ff479e68770141a"}],"database_specific":{"cpe":"cpe:2.3:a:apache:thrift:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"0.24.0"}],"source":"CPE_RANGE"}}],"versions":["last-before-0-10"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-55971.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}